Campaign Genius - Send dynamic email content through any platform, instantly.
Really Good Emails - A large collection of good product email design.
GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
Email Love - Email design inspiration, templates and discovery
MailChimp Snap - Send simple, photo-based email campaigns from your phone.
Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.